Search a number
-
+
679983893 = 4140074139
BaseRepresentation
bin101000100001111…
…011101100010101
31202101111202112122
4220201323230111
52343033441033
6151250225325
722564524221
oct5041735425
91671452478
10679983893
11319918a66
1216b885245
13aab51844
1466447781
153ea6ba98
hex2887bb15

679983893 has 8 divisors (see below), whose sum is σ = 696911040. Its totient is φ = 663073120.

The previous prime is 679983883. The next prime is 679983907. The reversal of 679983893 is 398389976.

679983893 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 679983893 - 210 = 679982869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679983883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162218 + ... + 166356.

It is an arithmetic number, because the mean of its divisors is an integer number (87113880).

Almost surely, 2679983893 is an apocalyptic number.

It is an amenable number.

679983893 is a deficient number, since it is larger than the sum of its proper divisors (16927147).

679983893 is a wasteful number, since it uses less digits than its factorization.

679983893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8187.

The product of its digits is 17635968, while the sum is 62.

The square root of 679983893 is about 26076.5007813548. The cubic root of 679983893 is about 879.3589912655.

The spelling of 679983893 in words is "six hundred seventy-nine million, nine hundred eighty-three thousand, eight hundred ninety-three".

Divisors: 1 41 4007 4139 164287 169699 16584973 679983893